Signature of twin planes in Mössbauer spectroscopy of cuprate superconductors

P. Boolchand, C. Blue, K. Elgaid, W. Huff, A. Kilinc, D. McDaniel, P. Biswas, D. Zhou, J. Oostens

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

One of the four quadrupole doublets (A, B, C, and D) observed in Mössbauer spectra of orthorhombic (Y or RE)1Ba2(Cu1-xFex)307-δ(δ≈0) samples is identified with Fe dopant replacing a Cu site in twin planes. The site in question, labelled as D, is characterized by a quadrupole splitting ΔD in the range 1.6±0.1 mm/s. The D-site intensity is found to approach zero when the 1-2-3, material is driven tetragonal, either upon oxygen desorption, upon oxygen loading, or upon increasing the Fe-dopant concentration.

Original languageEnglish (US)
Pages (from-to)73-88
Number of pages16
JournalHyperfine Interactions
Volume62
Issue number1-2
DOIs
StatePublished - Aug 1990
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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